| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [verb] | 67338 |
|
| 2 | [Wh det] is [verb] | 11267 |
|
| 3 | is [pron] [verb] | 4784 |
|
| 4 | [Wh det] is [pron] | 3373 |
|
